The Normal Distribution

mean μ

-2.

standard deviation σ

2.

The probability density function for the normal distribution is given by

f(y)=

1

2π

2

σ

-

2

(y-μ)

2

σ

e

.The red curve represents the standard normal density function with mean

μ=0

and standard deviation

σ=1

. Use the sliders to see how normal density functions with other means and standard deviations compare to the standard normal density function.